46 senior design engineer jobs found

LiquidPiston This role is fully onsite in Bloomfield, CT, five days per week, and the company will be relocating to Suffield, CT later in 2026. About LiquidPiston LiquidPiston, Inc. is reinventing the internal combustion engine. Our patented X-engine architecture is a compact, lightweight, and fuel-efficient rotary engine that operates on a novel thermodynamic cycle. With applications in defense, aerospace, robotics, and portable power, we're developing the next generation of high-performance, compact engines for critical power systems. We are seeking a Senior Design Engineer to play a key role in the design, simulation, and development of our advanced rotary engines. This is a hands-on, high-impact engineering role ideal for someone with a deep understanding of engine systems, a passion for innovation, and a strong background in mechanical design and simulation. Key Responsibilities: Generate and evaluate new ideas to improve the performance, durability, and...

Job Summary: The Senior Product Design Engineer shall take extreme ownership in the effort to lead the design and development of new products and accessories across the full lifecycle-from concept through production. This role involves overseeing prototype development, conducting detailed engineering analysis, and authoring comprehensive test reports. Will be responsible for ensuring all designs meet stringent safety, functionality, and durability standards while conforming to the requirement set forth by customer specific requirements or internal requirements provided by product management. Technical Responsibilities: Lead the full lifecycle design and development of products and accessories, from concept through production. Oversee prototype fabrication and testing; analyze results to refine designs and produce detailed, professional test reports. Conduct engineering analyses and simulations to optimize performance, reliability, and manufacturability. Utilize 3D CAD...

Overview M&J Engineering, D.P.C. is a quality provider of multi-discipline consulting services with over 300 employees. Since its inception in 2004, M&J has grown into diversified provider of engineering, construction management, construction inspection, technology, and environmental services to a broad range of clients, including federal, state and city/local agencies, private owners, architects, engineers and contractors. M&J Engineering is a leader in construction management and inspection, ITS, mechanical, electrical, wastewater, water supply, tunnel airport, port, marine/coastal, environmental engineering, and design-build services for both new infrastructure projects and renovations. M&J bases its employment and personnel decisions on the principles of Equal Employment Opportunity, with the intent to further the Company's Affirmative Action commitment. M&J does not discriminate on the basis of race, color, religion, national origin, sex, sexual...

About Us TRC, Member of WSP, is a global consulting environmental and engineering firm and one of the top design firms in the energy sector. Together, TRC and WSP's 83,000 experts create positive, long-lasting impacts for our communities and our clients in the power and energy, transportation and infrastructure, environmental, and property and buildings sectors. As part of our team, you'll discover a world of opportunities to connect with innovative thinkers, forge your path, and have fun tackling the world's most challenging projects. At TRC, Member of WSP, you can have a rewarding career on every level. TRC has long set the bar for clients who require more than just engineering, combining science with the latest technology to devise innovative solutions that stand the test of time. From pipelines to power plants, roadways to reservoirs, schoolyards to security solutions, clients look to TRC for breakthrough thinking backed by the innovative follow-through of an industry...

Job Description This Opportunity WSP is currently initiating a search for a Senior Bridge Inspection Team Leader, Senior Structural Engineer to join our exceptional Bridge & Infrastructure Inspection Team in New England, which includes offices in Boston, MA; Worcester, MA; Glastonbury, CT*; and Providence, RI . This is an exciting opportunity for someone who is new to people leadership and interested in becoming a Team Leader. At WSP, we are driven by inspiring the right people to be part of our future-focused business objectives. Our devotion to teamwork has allowed us to build communities and expand our skylines. Be a part of a collaborative team of experts and contribute to projects that help shape our communities and our future. Here at WSP, anything is within our reach and yours as a WSP employee. Come join us and help shape the future! *Please note: Positions based out of our Glastonbury, CT office will be primarily assigned to Connecticut Department of...

Senior Aerospace Engineer / Aircraft CAD Integrator Location: Suffield, CT Schedule: Onsite, 5 days per week Why LiquidPiston? LiquidPiston is developing next-generation propulsion technology for aerospace, defense, and advanced mobility applications. Our compact rotary engine technology delivers high power density in a lightweight package, creating new possibilities for VTOL aircraft, UAS, hybrid-electric propulsion, and other demanding applications. At LiquidPiston, engineers have the opportunity to work on technology that moves quickly from concept to hardware to testing. This is a highly collaborative, hands-on environment where you will have meaningful ownership and see the direct impact of your work. If you enjoy solving difficult engineering problems, working across disciplines, and turning innovative concepts into real hardware, this is an opportunity to make a significant impact on the development of advanced aircraft and propulsion systems. The Opportunity...

About the Job Company Profile: CSA Engineering Services, LLC (CSA) provides professional engineering and design services to ensure safe, efficient, and reliable electric systems are developed. We provide engineering for new and existing low, medium, and high voltage electrical systems. With the growing demand for electric power due to trends in AI and plans to "De-Carbonize the grid", there is a need to integrate more renewable generation and storage technologies into the electric grid and build increased infrastructure to support increased electrical demand. CSA is well positioned to capitalize on these trends, and we are seeking to hire a Senior Electrical Engineer - Substation and Protection to join our growing business. Responsibilities: In this role, you will lead substation design and protective relay replacement projects. The position reports to the engineering manager. You will be working with structural engineers, designers, and equipment packagers on the...

H.F. Lenz Company is seeking a registered, Senior Mechanical Engineer experienced HVAC and Mechanical system design. This position will work directly with a nationally recognized team of Principals in Charge and engineering professionals. This role will lead the building system engineering of mechanical, HVAC, plumbing and fire protection systems, as well as project management functions for a diverse project and client portfolio in the healthcare, higher educational and commercial markets. This position will report to our Middletown CT office location. Why H.F. Lenz: H.F. Lenz Company is a nationally recognized building systems engineering and design firm with projects spanning across the US. Our multi-disciplinary engineering teams provide mechanical/HVAC, electrical, plumbing/fire protection, civil and structural services. In business for over 75 years, H.F. Lenz is built on the core values of professional development, quality service, teamwork and collaboration....

H.F. Lenz Company is currently seeking a registered Senior Electrical Engineer to join our engineering team in Middletown, CT . We are a full-service engineering, design and construction management firm headquartered in Johnstown, PA. As a nationally recognized consulting engineering firm, H.F. Lenz Company offers a full range of engineering services for private and public buildings and facilities. Our high-profile projects span the nation, with the heaviest concentration in the Northeast. Day to Day Responsibilities: Lead projects and design of electrical systems, including low-medium voltage power, lighting, distribution systems, telecom, fire alarm and security systems. Perform load calculations, site visits, surveys/studies, reports and commissioning in support of electrical design for various commercial facilities. Lead personnel and collaborate with team members in cross-functional setting to ensure that the design is accurate and that contract responsibilities...

About Us At Verogy, our mission is to "Impact Positive Change" for our clients, employees, and the environment. We operate based on a set of core values focused on driving positive, productive, and inclusive behavior. Our commitment to excellence and innovation drives us to design, develop, and implement cutting-edge solar projects that make a tangible impact on the environment and the communities we serve. Your Impact We are seeking an experienced and technically driven Senior Project Engineer to provide expert-level engineering oversight across our growing portfolio of commercial, industrial, and utility-scale solar projects. In this role, you will serve as the technical authority for project engineering, ensuring our designs meet the highest standards of constructability, electrical performance, safety, and financial viability. You will bring deep solar engineering expertise, specifically on the electrical side of operations, along with the ability to lead technical reviews,...

Design Engineer Internship - LiquidPiston: Multiple Openings Available Location: Suffield, CT Employment Type: Full-time Internship (Spring Semester 2027) Compensation: Paid About LiquidPiston: LiquidPiston is a fast-growing propulsion technology company reinventing the internal combustion engine with our patented X-Engine rotary architecture and High Efficiency Hybrid Cycle (HEHC). Our engines deliver dramatically higher power density, efficiency, fuel flexibility, and compactness than traditional piston designs - making them ideal for UAVs, defense systems, hybrid-electric propulsion, portable power, and aerospace applications. We're transitioning from pure R&D to industrialization and commercialization, creating exciting opportunities to impact real product development in a small, high-energy team. Why Intern at LiquidPiston? This isn't an internship where you'll spend the semester making PowerPoint slides or watching from the sidelines. You'll be working on real...

Job Title: Senior Mechanical Engineer Location: Groton, CT (In-Person, Full-Time) Department: Mechanical Engineering Reports To: Mechanical Engineering Manager Position Summary: ThayerMahan, a leader and a fast-growing, mission-focused, innovative technology company in the Intelligence, Surveillance, and Reconnaissance (ISR) and Artificial Intelligence (AI) space is seeking a highly skilled and experienced Senior Mechanical Engineer to join and strengthen our growing mechanical engineering team. This role is ideal for a hands-on engineer who thrives in a fast-paced environment and is passionate about mentoring the next generation of engineers. You will play a critical role in the design, development, and deployment of marine systems while serving as a mentor and technical guide for a talented team of young engineers. Key Responsibilities: Design & Development: Lead the design, analysis, and testing of mechanical components and systems for marine systems. Mentorship...

About the role The Senior Project Management Consultant (Electrical Engineer) serves as the electrical engineering subject matter expert within the CBRE Project Management and Facilities Maintenance teams, supporting key stakeholders and Pratt & Whitney facilities across the East Hartford campus. This role provides technical leadership on electrical systems in support of both capital (CapEx) and maintenance, repair, and operations projects. The position partners with project managers and maintenance personnel to develop technical scopes, assess design feasibility, and support execution strategies aligned with campus infrastructure and operational requirements. Working cross-functionally with project managers, plant engineering (mechanical, structural, etc.), and internal customers to coordinate new equipment installations. This role ensures electrical considerations are effectively integrated into project planning and delivery. The position also collaborates with...

About E-J: The E-J Group is active in all facets of electrical contracting, bringing experience, expertise, and a national reputation to projects that range in size up to more than $300 million. With over 4,000 employees across 31 offices, E-J delivers full-service electrical solutions for rail systems, transit facilities, office buildings, hospitals, power, renewable energy, clean energy, co-generation facilities, roadway and outdoor specialty work, airports, industrial facilities, data centers, chip plants, universities, sports stadiums, extra high voltage distribution, utility, and gas infrastructure. At E-J, three generations of family expertise have built an organization that combines practical knowledge with modern technological innovation, providing rapid and efficient solutions for today's lighting, power, energy, and communication needs. E-J has over a 125-year reputation for integrity, quality, and exceptional service in the electrical field. To learn more, visit...

About E-J: The E-J Group is active in all facets of electrical contracting, bringing experience, expertise, and a national reputation to projects that range in size up to more than $300 million. With over 4,000 employees across 31 offices, E-J delivers full-service electrical solutions for rail systems, transit facilities, office buildings, hospitals, power, renewable energy, clean energy, co-generation facilities, roadway and outdoor specialty work, airports, industrial facilities, data centers, chip plants, universities, sports stadiums, extra high voltage distribution, utility, and gas infrastructure. At E-J, three generations of family expertise have built an organization that combines practical knowledge with modern technological innovation, providing rapid and efficient solutions for today's lighting, power, energy, and communication needs. E-J has over a 125-year reputation for integrity, quality, and exceptional service in the electrical field. To learn more, visit...

Founded in 1975, BR+A Consulting Engineers maintains a total staff of over 500 employees located at our main office in Boston and branch offices in New York, NY; Philadelphia, PA; Vienna, VA (Washington, DC); Coral Gables (Miami) and Tampa, FL; Chicago, IL; St. Louis, MO; Charlotte and Raleigh, NC; Charleston, SC; Houston, TX; New Haven, CT; Los Angeles, CA; Denver, CO; and Toronto. BR+A provides state-of-the-art integrated and coordinated mechanical, electrical, plumbing and fire protection consulting engineering, technology systems design, lighting design, and building commissioning services. BR+A is seeking an experienced Senior Mechanical Engineer in our New Haven, CT or Boston, MA office. The candidate must be strongly motivated, well organized, and show professional initiative The ability to take ownership of assignments and perform well both independently and as part of the project team is necessary. The ideal candidate will possess a strong working knowledge of Revit, and...

About Us: DeSimone is a leading global structural engineering firm known for delivering innovative, high-performance design solutions across the built environment. Our team of engineers, designers, and technical experts collaborates on a diverse portfolio-from iconic high-rise buildings to complex, large-scale structures-shaping skylines and communities around the world. With offices across the U.S. and internationally, we partner closely with clients to bring bold ideas to life with precision, creativity, and technical excellence. Why DeSimone? At DeSimone Consulting Engineering, you'll work alongside some of the world's most brilliant engineering minds on projects that redefine skylines and push the boundaries of design and innovation. From iconic skyscrapers to cutting-edge structures, our global portfolio reflects a commitment to excellence and creativity. We are a team that values growth, collaboration, and real impact-you won't just be part of the work, you'll help shape...

Weston & Sampson is seeking a Senior Bridge Engineer to lead bridge design and project delivery efforts for key transportation infrastructure projects in Connecticut and throughout New England. This position offers the opportunity to manage DOT and local government bridge projects - including bridge replacements, bridge rehabilitation, bridge preservation, bridge load ratings - while guiding a talented team of engineers and designers. What you'll do: Manage and lead bridge design projects from concept through construction. Oversee technical design teams, ensuring compliance with AASHTO, DOT, and local standards. Collaborate with Project Managers to manage client relationships and drive project delivery, quality, and performance. Review and assist with structural calculations, plans, and specifications. Lead the mentoring and development of junior engineers, fostering technical and professional growth Support proposal development and business growth through technical...

Weston & Sampson is seeking a Senior Structural Engineer to work alongside our growing team in Rocky Hill, CT. What you'll do: Perform on-site field work related to buildings and other structures Work with others to plan, design, and perform construction administration of a variety of vertical and horizontal structure type projects, including project budgeting, work flow scheduling, and coordination with other disciplines Perform studies and prepare plans, specifications, and cost estimates; and peer review services of designs and reports prepared by others Work with the technical staff to assist in pursuits for new business, including proposal writing and other business development tasks Present technical concepts and alternatives to clients, including public presentations, to support permits and other approvals Manage and mentor Junior staff on the structural team Manage phases of assigned projects that may include oversight of contractors and sub-consultants Some...

Overview EXPERIENCE QUALIFICATION: Significant experience in construction work activities, with demonstrated increasing responsibility, of the same or similar type as that of the project to which the Lead Engineer is assigned. Experience may be in the following sectors: federal, state, municipal, K-12 school, water/wastewater, higher education, healthcare, data centers, laboratory facilities, transportation, ports, or marina projects. Familiarity with ASHRAE commissioning guidelines and best practices Responsibilities MAIN DUTIES: Project assignments may involve on-site representation, project documentation, design review, inspections, quality control/quality assurance, plan review, and research of records related to the commissioning of new and existing facilities. Develop and maintain electronic files for the project documents and clean-up of records and files for job close out. Assist with facility and infrastructure sustainment, restoration, and modernization of...